The problem with fires in cars is that they create a huge amount of acrid smoke and soot, which gets everywhere as can be seen from these photos.

As you can see from the glass, there is a huge amount of tar deposited on all interior surfaces. It is an extremely difficult job to remove this gunk just so that it looks acceptable - but because it smells so bad it has to be completely removed and all traces neutralized.

Smoke gets everywhere. It gets under seats, behind door panels, into air-vents and it permeates into all the fabric and upholstery covering everything with ash, soot and tar.